1242100040

素因数分解:

$2^3\times 5^1\times {\mathrm{31052501}}^1$

素因数の和:31052512

約数の個数: 16

約数和(自身を含む): 2794725180

約数和(自身を除く): 1552625140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31052501, 62105002, 124210004, 155262505, 248420008, 310525010, 621050020, 1242100040]

約数ペア:

[(1, 1242100040), (2, 621050020), (4, 310525010), (5, 248420008), (8, 155262505), (10, 124210004), (20, 62105002), (40, 31052501)]